A. Avalanche mechanism
B. Zener mechanism
C. Both Zener and avalanche mechanism
D. None of the above
0
As the junction temperature increases, the voltage breakdown point for Zener mechanism _______________?
0
A Zener diode utilises_____________characteristic for voltage regulation?
A. Is increased
B. Is decreased
C. Remains the same
D. None of the above
0
Commercial power supplies have voltage regulation ______________?
A. Forward
B. Reverse
C. Both forward and reverse
D. None of the above
0
In an unregulated power supply, if input a.c. voltage increases, the output voltage _______________?
A. of 10%
B. of 15%
C. of 25%
D. within 1%
0
In an unregulated power supply, if load current increases, the output voltage _____________?
A. Increases
B. Decreases
C. Remains the same
D. None of the above
0
A power supply which has voltage regulation of ____________ is unregulated power supply?
A. Remains the same
B. Decreases
C. Increases
D. None of the above
0
An ideal regulated power supply is one which has voltage regulation of________________?
A. 0 %
B. 5 %
C. 10 %
D. 8%
0
The rupture of co-valent bonds will occur when the electric field is__________________?
A. 0%
B. 5%
C. 10%
D. 1%
0
Zener diode can be used as__________________?
A. 100 V/cm
B. 6 V/cm
C. 1000 V/cm
D. More than 105 V/cm
0
A. c. voltage regulator only
B. c. voltage regulator only
C. both D.C and A.C voltage regulator
D. none of the above

Download App